313223442 has 32 divisors (see below), whose sum is σ = 739037184. Its totient is φ = 86605200.

The previous prime is 313223441. The next prime is 313223483. The reversal of 313223442 is 244322313.

It is not an unprimeable number, because it can be changed into a prime (313223441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118984 + ... + 121587.

It is an arithmetic number, because the mean of its divisors is an integer number (23094912).

Almost surely, 2^313223442 is an apocalyptic number.

313223442 is an abundant number, since it is smaller than the sum of its proper divisors (425813742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313223442 is a wasteful number, since it uses less digits than its factorization.

313223442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240614.

The product of its digits is 3456, while the sum is 24.

The square root of 313223442 is about 17698.1197306381. The cubic root of 313223442 is about 679.1276602303.

Adding to 313223442 its reverse (244322313), we get a palindrome (557545755).

The spelling of 313223442 in words is "three hundred thirteen million, two hundred twenty-three thousand, four hundred forty-two".